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Piston, cylinder ring wear
Nozzle hole clogging
Piston ring stuck
Wrong assembly (upside down) of piston ring
Inappropriate injection timing
Inappropriate valve open/close timing
Looseness of injection pump joint
Firing problem with white smoke (when unloaded)
Operating speed of throttle lever too slow.
Oil in excess.
Clutch slips.
Spring failure.
Set speed of engine improper.
Engine rotates but amplitude not uniform, or does not strike.
Leakage from fuel passage
Clogging of the air cleaner element
Inappropriate fuel due to mixing of impurities
Overload
Fuel consumption too high (black smoke)
Use of wrong oil
Failure to change oil
Breakage of the air cleaner element or failure to clean the air cleaner
Extensive wear on sliding parts or stuck piston rings
Too much oil
Wrong assembly of the governor system
Detached injection pump rack
Engine does not stop even though the fuel supply is cut (or over-running)
Searing or damage of the piston, rod, etc.
Stopped suddenly with abnormal noise
Wear on the injection pump barrel or plunger
Lubrication oil diluted and increased.
2. Rammer itself
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Summary of Contents for MT-76D
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